package cn.lili.modules.order.order.mapper;

import cn.lili.modules.order.order.entity.dos.Trade;
import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import org.apache.ibatis.annotations.Update;

/**
 * 交易数据处理层
 *
 * @author Chopper
 * @since 2020/11/17 7:35 下午
 */
public interface TradeMapper extends BaseMapper<Trade> {

	/**
	 * 修改交易金额
	 *
	 * @param tradeSn
	 *            交易编号
	 */
	@Update("UPDATE li_trade SET flow_price =(SELECT SUM(flow_price) FROM li_order WHERE trade_sn=#{tradeSn}) WHERE sn=#{tradeSn}")
	void updateTradePrice(String tradeSn);
}